<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    
</body>
<script src="./index.js"></script>
<script>
    let vm = new Vue({
    data: {
        message: 'hello vue',
        user: {
            name: '张三',
            age: 18,
            sex: '男'
        },
        list: ['12',23]
    }
})

console.log(vm.list)
// vm.user.name = '李四'
// console.log(vm.user.name)
</script>
</html>